Electron Microscopy and Optical Characterization of Cadmium Sulphide Nanocrystals Deposited on the Patterned Surface of Diatom Biosilica
Figure 1
SEM images (a) Intact diatom Pinnularia sp., (b) Fine structures within pores are visible, (c) High resolution image of pore array with no fine structures, (d) Intact diatom coated with CdS, (e) CdS coating on a diatom with fine structures within the pores (f) CdS spherical particles clearly visible, (g)–(i) CdS deposited under different conditions (g) Precursor concentration of 1/16 the initial concentration, (h) Bath temperature at 70ºC and (i) CdS deposited on diatom fixed onto a glass substrate.
